Sole roughing machine



Patented Jan. 19, 1932 UNITED STATES PATENT OFFICE WILLIAM C. CARD, JR, OF WAVERLY, MASSACHUSETTS, ASSIGNOR TO COMPO SHOE MACHINERY CORPORATION, OF NEW YORK, N. Y., A CORPORATION OF DELAWARE SOLE ROUGHING MACHINE Application filed August 3, 1929. Serial No. 383,236.

This invention relates to machinery for manufacturing footwear, and, more particularly, to mechanism for preparing an outer sole prior to the afixation thereof to a lasted shoe upper by means of an adhesive cement.

A general object of the invention is to provide a mechanism by which the marginal portions of the upper side of the outer sole may be uniformly roughed so that the leather m or other material of which the sole 'is composed will readily accept the adhesive cement and will form a firm union with the lasted upper when aiiixed thereto.

A more specific object ofthe invention is w to provide a roughing machine which will rapidly, uniformly and efiiciently rough the marginal portion of both the forepart and the shank portion of an outer sole in one continuous operation, which will be simple and 2a economical of construction and which will operate with freedom from wear and mechanical difliculties. Other objects of the invention will in part be obvious and will in part appear herein- 26 after.

The invention accordingly comprises the.

so after set forth and the scope of the application of which will be indicated in the claims. P

For a. fuller understanding of the nature and object of the invention reference should be had to the following detailed description taken in connection with the accompanying drawings, in which: Figure 1 is a front elevational view of a preferred embodiment of the invention,

shown partially broken away;

Fig. 2 is an end elevational view of Fig. 1;

'Fig. 3 is a partly sectional detailed view of a portion of Fig. 2, showing the parts slightly enlarged; v

'Fig. 4 is a cross-section of a marginal porthe roughing operation Fig. 5 is a view similar to .Fig. 4, showing a section of the shank portion in an outer sole. I Referring more particularly to the drawtion of the forepart of an outer sole, prior to bevelled asat 11 to provide a thin edge portion which will readily conform to the shank portion of the lasted shoe upper; thereafter, in those processes in which the outer sole is aflixed to the lasted shoe upper by means of an adhesive cement, the marginal portions aforesaid are roughed so that they will readily accept the adhesive cement to form a firm union with the lasted upper when aflixed thereto.

Generally considered, the resent invention provides mechanism where y the roughing operation of these parts which vary in thickness and contour can be accomplished uniformly and efficiently in one operation, and in its more simple aspects comprises a powerdriven rotating roughing head and an opposed rest adapted to be disposed at varying angles with respect thereto. t

More specifically, in the embodiment shown, the mechanism includes a frame 12 which may be suitably attached-to a bench or the like 13, and carries a horizontal shaft 14 which is ower-driven, as by means of a belt 15, and is equipped with a belt-shifting mechanism 16, by which, when the machine is not being a plurality of needle points 22, which preferably project through a guard plate 23. Disposed below the needles 22 is a movable bench or rest 24 which is pivotally mounted at 25 on an arm 26 affixed to the frame 12, and is adapted to be swung about the pivot 25 by means of a foot-trea'dle or the like 27 attached by a link 28 to a rearwardly projecting arm 29 and acting against a spring 30 which normally holds the arm 29 in upward position and the rest 24 in angular position with respect to the operative face of the needles 22. Attached to the rest 24, at a point opposed to the arm 29 with respect to the pivot 25, is a plunger member 31, which is aligned with respect to the spindle 18 and is slidably mounted in spaced members 32 projecting from the frame 12; the plunger member 31 having suflicient lateral play in the members 32 to allow the movable rest 24 to move upwardly about the pivot 25 without binding. The plunger member is preferably provided with a collar member 33 which is attached to a coil spring 34 surrounding the plunger member and having its other end attached to the bottom member 32 and acting normally to urge the rest member 24 downwardly. To limit the upward movement of the rest 24, by means of the foot-treadle 27, and prevent contact thereof with the points of the needles 22, the plunger member 31 is provided with an adjustable lock nut 35 which may be advanced toward or away from the bottom member 32, as will be readily understood. I

It will thus be seen that as an outer sole is introduced between the rest 24 and the needles 22 from a direction to the left of Fig. 2, and the foot-treadle is depressed, the angular relation and the spacing of the rest 24 with respect to the needle points 22 canbe varied as desired by pressing the foot-treadle 27, whereby, by moving the marginal portion of the outer sole under the needles 22.,and by manipulating the foot-treadle 27 the forepart and shank portions of the outer sole may be uniformly roughed in one operation.

Since, during the roughing operation, some of the fibres of the outer sole are wholly or partially torn away, it is desirable that thereafter the upper side of the sole be subj ected to the action of the rotating brush, and

for this purpose, in the preferred form of the device, there is provided on" the shaft 14 a wire brush 36 which is surrounded by an air exhaust 37 so that the roughed outer sole may be conveniently held thereagainst and any loosened fibres will bev brushed off and removed through the air exhaust.

As will be readily understood, the roughing mechanism, per se, need not be combined with the rotating brush, in which case the vertical spindle 18 can be driven directly, instead of through the horizontal shaft 14, but the assemblage shown in the drawings and described above has been found to be particularly efficient from the standpoints of uniformity of treatmentand saving of time of the operator.

Since certain changes may be made in the above construction, and different embodiments of the invention could be made, With- ,ing the roughing operation.

out departing from the scope thereof, it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described, and all statements of the scope of the invention which as a matter of language might be said to fall therebetween.

Having described my invention, what I claim as new and desire to secure by Letters .Patent is 1. A roughing machine for outer soles comprising, in combination, a rest for the bottom side of the outer sole, and an opposed power-driven roughing element disposed adjacent said rest, said rest being normally disposed on an angle to the face of the roughing element and being yieldably mounted for movement toward the same.

2. A roughing machine for outer soles comprising, in combination, a rest for the bottom side of the outer sole, and an opposed power-driven roughing element disposed adjacent said rest, said rest being readily adjustable through an angle with respect to the face. of the roughing element, and means for adjusting said angle during the roughing operation.

3. A roughing machine for outer soles comprising, in combination, a power-driven roughing element, a rest element opposed to and adjacent said roughing element, one of said elements being movable with respect to the other whereby the spacing and angular relation between the same may be varied, and means for manually moving said movable element as aforesaid during the roughing operation.

4. A roughing machine for outer soles comprising, in combination, a rest for the bottom side of the outer sole, and an opposed power driven roughing element disposed a-d-- jacent said rest and adapted 'to rough the marginal portion of the upper side of the outer sole as it is passed over said rest; said rest being manually movable toward and away from said roughing element in a manner such as to vary the angular relation be tween the rest and the roughing element dur- 5. A roughing machine for outer soles comprising, in combination, a power-driven roughing element, a rest element opposed to and adjacent saidroughing element, one of said elements being movable with respect to the other whereby the spacing and the angular relation between the same may be varied, means for resiliently retaining the movable element away from the other element, and means for manually moving said movable element as aforesaid during the roughing operation.

6. A roughing machine for outer soles comprlsing, in combination, a frame, a

power-driven rotating roughing element mounted on said frame, a rest for the bottom of anouter sole pivotally mounted on said frame adjacent and opposed to said roughing element, means for resiliently holding said restaway from said roughing element, and manually controlled means for moving said rest toward said roughing element as aforesaid during the roughing operation.

7. A roughing machine for outer soles comprising, in combination, a frame, a vertically disposed power-driven rotating roughing element carried by said frame, a pivotally mounted rest for the bottom of the outer soles carried by said frame and disposed adjacent said rotating roughing element, the pivotal mounting of said rest being offset axially with respect to said roughing element, and manually controlled means for moving said rest about said pivotal mounting whereby the distance and the angular relation of the rest with respect to said rotating element may be varied during the roughing operation.

8. A roughing machine for outer soles comprising, in combination, a frame, ayertically disposed power-driven rotating roughing element carried by said frame, a pivotally mounted rest for the bottom of the outer soles carried by said frame and disposed adjacent said rotating roughing element, the pivotal mounting of said rest being offset axially with respect to said roughing element, manually controlled means for moving said rest about said pivotal mounting whereby the distance and the angular relation of the rest with respect to said rotating element may be varied during the roughing operation, and means for normally resiliently holding said rest away from said roughing element.

9. A roughing machine for outer soles comprising, in combination, a frame, a rest for the bottom of the outer soles pivotally mounted on said frame and disposed to one side of said pivotal mounting, an arm projecting from said rest at the other side of said pivotal mounting, a foot-treadle connected with said arm, a spring attached to the frame and normally holding said arm in upward position and said rest in downward position with respect to said pivotal mounting, and a power-driven rotating roughing element carried by said frame and disposed above and adjacent .to said rest, whereby upon downward movement of the foot-treadle the angular relation and the spacing of the rest with respect to said rotating element are varied;

10. A roughing machine for outer soles comprising, in combination, a frame, a rest for the bottom of the outer. soles pivotally mounted on said frame and disposed to one side of said pivotal mounting, an arm projecting from said rest at the other side of said pivotal mounting, a foot-treadle connected with said arm, a spring attached to the frame and normally holding said arm in upward position and said rest in downward position with respect to said pivotal mounting, a power-driven rotating roughing element carried by said frame and disposed above and adjacent to said rest, whereby upon downward movement of the foot-treadle the angular relation and the spacing of the rest with respect to said rotating element are varied, a plunger member attached to said rest in align- -ment with said rotating roughing element and slidable vertically in said frame, and means for resiliently holding said plunger meinber in lowertd position. v

11. A roughing machine for outer soles comprising, in combination, a frame, a rest for the bottom of the outer soles pivotally mounted on said frame and to one side of said pivotal mounting, an arm projecting from said rest at the other side of said pivotal mounting, a foot-treadle connected with said arm, a spring attached to the frame and normally holding said arm in upward position and said rest in downward position with respect to said pivotal mounting, a powerdriven rotating roughing element carried by said frame and disposed above and adjacent to said'rest, whereby upon downward movement of the foot-treadle the angular relation and the spacing of the rest with respect to said rotating element are varied, a

plunger member attached to the bottom of said rest in alignment with said rotating roughing element and'slidable vertically in said frame, means for resiliently holding.

said plunger member in lowered position, and a stop member mounted on said plunger memher. and acting against a portion of the frame to limit the upward movement of the plunger member and the said rest.

In testimony whereof I afiix my signa-- ture.

WILLIAM C. CARD, JR. 

